You receive primary Virtual Mobile Authenticator records in a DIGIPASS export file (DPX), with a DPX file key, as you receive with standard authenticator records. Import them like standard authenticator records (see Authenticator records and assignment).
A backup Virtual Mobile Authenticator does not have a record of its own. Information about backup Virtual Mobile Authenticator is contained in the record of the authenticator, which is supplemented by backup Virtual Mobile Authenticator.